CN210131538U - Indoor air centralized purification device - Google Patents
Indoor air centralized purification device Download PDFInfo
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- CN210131538U CN210131538U CN201920726360.8U CN201920726360U CN210131538U CN 210131538 U CN210131538 U CN 210131538U CN 201920726360 U CN201920726360 U CN 201920726360U CN 210131538 U CN210131538 U CN 210131538U
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Abstract
The utility model provides a purifier is concentrated to indoor air, includes casing, wind gap, electrical control valve, fan, air quality testing probe, dust purification module, catalyst and regeneration module, anion generator, wire and controller, and electrical control valve, fan, air quality testing probe and anion generator link to each other with the controller through the wire respectively, and catalyst and regeneration module include gaseous pollutant decomposition catalyst, outside heating frame, inside hot plate, ozone generator. Indoor air concentrate purifier divide into two modules with the purification of indoor air and the purification of outdoor air, purify to indoor outer air pollutant state, improved purification efficiency, set up catalyst and regeneration module, the catalyst intensifies on line, decomposes and desorbs the VOCs that adsorbs in the catalyst pore under the ozone effect, makes VOCs decompose the catalyst and can regenerate on line, prevents secondary pollution, has prolonged the life of catalyst.
Description
Technical Field
The utility model belongs to the technical field of indoor air purification, concretely relates to purifier is concentrated to indoor air.
Background
In recent years, with the development of social economy, the material consumption level of residents is continuously improved, and on the other hand, the development of economy also pollutes the living environment of people, especially the problem of indoor air pollution, and more attention is paid to people. The traditional air purifier simply carries out circulating filtration on indoor air and cannot supplement fresh air. Although current indoor new trend clean system has designed inside and outside circulation mode, can supply outdoor new trend as required or carry out the circulation to the room air and purify, but outdoor new trend purifies and indoor air circulation purifies adopts one set of purification filter screen, because outdoor air and indoor air pollutant are different, outdoor air pollutant is mainly PM2.5 dust particle, the indoor air pollutant is except PM2.5 dust, still contain a large amount of fitment pollutant, benzene, formaldehyde, VOCs such as toluene, one set of purification filter screen suitability alone is poor, can't get rid of the pollutant pertinence, filter screen stack purification of different functions is adopted at present, the equipment running resistance has been increased, the easy cross contamination of filter screen of different functions, filter screen life has been shortened.
Aiming at VOCs gaseous pollutants such as indoor formaldehyde, toluene, benzene and the like, currently, porous materials such as molecular sieves and activated carbon are mainly adopted for physical adsorption, but along with the prolonging of the running time of equipment, the porous materials are replaced in time after being saturated in adsorption and can release the pollutants to cause secondary pollution.
Disclosure of Invention
To above technical problem, the utility model discloses a purifier is concentrated to indoor air has improved purification efficiency, sets up catalyst and regeneration module, makes the VOCs catalyst can on-line regeneration, prevents secondary pollution, has prolonged the life of catalyst.
The technical scheme of the utility model, a centralized indoor air purification device, comprises a shell, an air port, an electric control valve, a fan, an air quality detection probe, a dust purification module, a catalyst and regeneration module, an anion generator, a wire and a controller, wherein the electric control valve, the fan, the air quality detection probe and the anion generator are respectively connected with the controller through the wire;
the shell comprises an upper shell, a lower shell, an upper shell access hole, a lower shell access hole and a middle partition. The air port comprises an outdoor fresh air inlet, a catalyst regeneration gas outlet, an indoor fresh air outlet and an indoor circulating air port, the electric regulating valve comprises an outdoor fresh air inlet regulating valve, a regeneration gas outlet regulating valve, an indoor fresh air outlet regulating valve, an indoor circulating air port regulating valve and an operation state regulating valve, the fan comprises a fresh air fan, an indoor circulating fan and a catalyst regeneration fan, the air quality detection probe comprises an outdoor air quality detection probe and an indoor air quality detection probe, the dust purification module comprises a fresh air purification coarse filter screen, a high-efficiency filter screen and an indoor air purification filter screen, and the catalyst and regeneration module comprises a gaseous pollutant decomposition catalyst, an external heating frame, an internal heating plate and an ozone generator;
the upper casing access hole is positioned on the upper part of the upper casing, the upper casing access hole is internally opposite to the dust purification module, the lower casing access hole is positioned on the lower casing part, the lower casing access hole is internally opposite to the catalyst module, the outdoor fresh air inlet and the indoor fresh air outlet are positioned on two sides of the upper casing, the catalyst regeneration air outlet and the indoor circulating air inlet are positioned on two sides of the lower casing, the outdoor fresh air inlet regulating valve is positioned inside the outdoor fresh air inlet, the regeneration air outlet regulating valve is positioned inside the catalyst regeneration air outlet, the indoor fresh air outlet regulating valve is positioned inside the indoor fresh air outlet, the indoor circulating air outlet regulating valve is positioned inside the indoor circulating air inlet, the operating state regulating valve is positioned on one side close to the fresh air inlet in the middle, the fresh air fan and the indoor circulating fan are positioned inside, outdoor air quality testing probe is located outdoor new trend air inlet side, and indoor air quality testing probe is located indoor new trend air outlet side, and the dust purification module is located the casing middle part, and new trend purification coarse strainer and indoor air purification filter screen are located high-efficient filter screen both sides, and catalyst and regeneration module are located casing middle part down, and gaseous pollutant decomposes the catalyst and fills in outside heating frame, and inside hot plate distributes inside gaseous pollutant decomposes the catalyst, and ozone generator is close to indoor circulation wind gap one side.
A further air quality detection probe is an integrated probe and can simultaneously detect PM2.5, PM10, formaldehyde, toluene, benzene and VOCs pollutants.
The gaseous pollutant decomposing catalyst is further prepared by loading the catalyst on a porous material, wherein the porous material comprises a molecular sieve and active carbon, the catalyst is a noble metal catalyst or a metal oxide catalyst, the noble metal catalyst is a Pt, Pd or Rh catalyst, and the metal oxide catalyst is a Cu or Mn metal oxide.
The surface of the fresh air purification coarse filter screen is subjected to antibacterial treatment by spraying an antibacterial agent, and the surface of the indoor air purification filter screen is subjected to hydrophobic and oleophobic modification.
The device control system comprises a manual control system and an automatic control system, wherein the manual control system is switched among a fresh air supplementing mode, an indoor circulation mode and a catalyst regeneration mode, the automatic control system is automatically calculated by a controller, and the automatic control system is switched among three modes according to a calculation result.
In a further fresh air supplementing mode, the fresh air fan is started, the indoor circulating fan and the catalyst regeneration fan are closed, the outdoor fresh air inlet adjusting valve and the indoor fresh air outlet adjusting valve are opened, the regenerated air outlet adjusting valve, the indoor circulating air inlet adjusting valve and the running state adjusting valve are closed, and the anion generator is opened.
In a further indoor circulation mode, the indoor circulation fan is started, the fresh air fan and the catalyst regeneration fan are closed, the indoor fresh air outlet regulating valve, the indoor circulation air outlet regulating valve and the running state regulating valve are opened, the outdoor fresh air inlet regulating valve and the regeneration air outlet regulating valve are closed, the anion generator is opened, and the external heating frame, the internal heating plate and the ozone generator are closed.
In a further catalyst regeneration mode, a catalyst regeneration fan is started, an indoor circulating fan and a fresh air fan are closed, a regenerated gas outlet regulating valve is opened, an outdoor fresh air inlet regulating valve, an indoor fresh air outlet regulating valve, an indoor circulating air inlet regulating valve and an operation state regulating valve are closed, and an external heating frame, an internal heating plate and an ozone generator are opened.
And a further fresh air supplementing mode and a catalyst regeneration mode can be started simultaneously, when the fresh air fan and the catalyst regeneration fan are started simultaneously, the indoor circulating fan is closed, the outdoor fresh air inlet regulating valve, the regenerated air outlet regulating valve and the indoor fresh air outlet regulating valve are opened, the indoor circulating air inlet regulating valve and the running state regulating valve are closed, and the external heating frame, the internal heating plate and the ozone generator are opened.
Under further automatic control, the switching conditions of each mode are as follows: when the concentration of the outdoor PM2.5 is less than that of the indoor PM2.5, a fresh air supplementing mode is started; when the outdoor PM2.5 concentration is greater than the indoor PM2.5 concentration, an indoor circulation mode is started; and starting the catalyst regeneration mode when the starting time of the indoor circulation mode is more than 300 h.
Has the advantages that:
indoor air centralized purification device and control method divide into two modules with indoor air's purification and outdoor air's purification, adopt different purification module to indoor and outdoor air pollution kind, under the supplementary new trend mode, outdoor air gets into indoorly, because outdoor air pollution kind mainly is PM2.5 dust particle, the filter screen that plays the filter action this moment mainly is new trend purification coarse strainer and high-efficient filter screen, send into the new trend indoor after getting rid of PM2.5 dust particle to outdoor air. Under the indoor circulation mode, circulate the purification to the room air, the indoor air pollutant still contains a large amount of VOCs etc. except PM2.5 dust particle, the main indoor air purification filter screen that is of playing the purifying action this moment, high-efficient filter screen and gaseous pollutant decomposition catalyst, indoor air purification filter screen, high-efficient filter screen are used for getting rid of indoor PM2.5 particulate matter, gaseous pollutant decomposition catalyst is used for getting rid of indoor VOCs harmful gas. The utility model discloses set up catalyst regeneration module, the device runs after the certain time under indoor circulation mode, adopt the external heating frame, inside hot plate carries out the online intensification to the catalyst, open ozone generator simultaneously, decompose and desorb the VOCs who adsorbs in the catalyst pore under the ozone effect, under catalyst regeneration fan effect, the casing is inside to be negative pressure state down, further promote to adsorb the inside VOCs of porous material and desorb, the VOCs catalyst can be regenerated on line, prevent secondary pollution, the life of catalyst has been prolonged.
Drawings
Fig. 1 is a schematic structural view of an indoor air centralized purification device according to the present invention;
FIG. 2 is a schematic view of the air flow direction of the indoor air centralized purification device in the fresh air supply mode according to the present invention;
fig. 3 is a schematic view of the indoor air centralized purification device according to the present invention illustrating the flow direction of the indoor air in the indoor circulation mode;
FIG. 4 is a schematic view of the regeneration mode of the catalyst in the indoor air centralized purification device according to the present invention;
fig. 5 is a schematic view of the indoor air centralized purification device in the fresh air supplement mode and the catalyst regeneration mode, which are simultaneously opened for gas flow direction.
Wherein: 101-upper shell, 102-lower shell, 103-upper shell access hole, 104-lower shell access hole, 105-middle partition, 201-outdoor fresh air inlet, 202-catalyst regeneration air outlet, 203-indoor fresh air outlet, 204-indoor circulating air inlet, 301-outdoor fresh air inlet regulating valve, 302-regeneration air outlet regulating valve, 303-indoor fresh air outlet regulating valve, 304-indoor circulating air inlet regulating valve, 305-running state regulating valve, 401-fresh air fan, 402-indoor circulating fan, 403-catalyst regeneration fan, 501-outdoor air quality detection probe 502-indoor air quality detection probe, 601-fresh air purification coarse strainer, 602-high efficiency strainer, 603-indoor air purification strainer, 701-gaseous pollutant decomposition catalyst, 702-external heating frame, 703-internal heating plate, 704-ozone generator, 8-negative ion generator, 9-lead and 10-controller.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
Example 1
A centralized indoor air purification device comprises a shell, an air port, an electric control valve, a fan, an air quality detection probe, a dust purification module, a catalyst and regeneration module, an anion generator, a lead and a controller, wherein the electric control valve, the fan, the air quality detection probe and the anion generator 8 are respectively connected with the controller 10 through leads 9;
the shell comprises an upper shell 101, a lower shell 102, an upper shell access hole 103, a lower shell access hole 104 and a middle partition 105, the air ports comprise an outdoor fresh air inlet 201, a catalyst regeneration air outlet 202, an indoor fresh air outlet 203 and an indoor circulating air port 204, the electric regulating valves comprise an outdoor fresh air inlet regulating valve 301, a regeneration air outlet regulating valve 302, an indoor fresh air outlet regulating valve 303, an indoor circulating air port regulating valve 304 and an operation state regulating valve 305, the fan comprises a fresh air fan 401, an indoor circulating fan 402 and a catalyst regeneration fan 403, the air quality detecting probe comprises an outdoor air quality detecting probe 501 and an indoor air quality detecting probe 502, the dust purifying module comprises a fresh air purifying coarse filter screen 601, a high-efficiency filter screen 602 and an indoor air purifying filter screen 603, and the catalyst and regeneration module comprises a gaseous pollutant decomposing catalyst 701, an external heating frame 702, Internal heating plates 703, ozone generators 704;
the upper shell access hole 103 is positioned on the upper part of the upper shell 101, the inner part of the upper shell access hole 103 is opposite to the dust purification module, the lower shell access hole 104 is positioned on the lower part of the lower shell 102, the inner part of the lower shell access hole 104 is opposite to the catalyst module, the outdoor fresh air inlet 201 and the indoor fresh air outlet 203 are positioned on two sides of the upper shell 101, the catalyst regeneration air outlet 202 and the indoor circulating air port 204 are positioned on two sides of the lower shell 102, the outdoor fresh air inlet regulating valve 301 is positioned inside the outdoor fresh air inlet 201, the regeneration air outlet regulating valve 302 is positioned inside the catalyst regeneration air outlet 202, the indoor fresh air outlet regulating valve 303 is positioned inside the indoor fresh air outlet 203, the indoor circulating air port regulating valve 304 is positioned inside the indoor circulating air port 204, the operation state regulating valve 305 is positioned on one side of the, the dust purification device is arranged on two sides of a dust purification module respectively, a fresh air fan 401 is close to one side of an indoor fresh air outlet 203, an outdoor air quality detection probe 501 is located on the side of an outdoor fresh air inlet 201, an indoor air quality detection probe 502 is located on the side of the indoor fresh air outlet 203, the dust purification module is located in the middle of an upper shell 101, a fresh air purification coarse filter screen 601 and an indoor air purification filter screen 603 are located on two sides of a high-efficiency filter screen 602, a catalyst and regeneration module is located in the middle of a lower shell 102, a gaseous pollutant decomposition catalyst 701 is filled in an external heating frame 702, an internal heating plate 703 is distributed inside the gaseous pollutant decomposition catalyst 701.
The air quality detection probe is an integrated probe and can simultaneously detect PM2.5, PM10, formaldehyde, toluene, benzene and VOCs pollutants.
The gaseous pollutant decomposition catalyst 701 is prepared by a molecular sieve loaded Pt catalyst, the surface of the fresh air purification coarse filter screen 601 is subjected to antibacterial treatment by spraying an antibacterial agent and nano silver, and the surface of the indoor air purification filter screen 603 is subjected to hydrophobic and oleophobic modification.
A control method of an indoor air centralized purification device comprises manual control and automatic control, wherein the manual control comprises a fresh air supplementing mode, an indoor circulation mode and a catalyst regeneration mode, the automatic control is automatically calculated by a controller 10, and the control is switched among the three modes according to calculation results.
In the fresh air supply mode, the gas flow direction is as shown in fig. 2, the fresh air fan 401 is started, the indoor circulating fan 402 and the catalyst regeneration fan 403 are closed, the outdoor fresh air inlet regulating valve 301 and the indoor fresh air outlet regulating valve 303 are opened, the regenerated air outlet regulating valve 302, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the anion generator 8 is opened.
In the indoor circulation mode, the gas flow direction is as shown in fig. 3, the indoor circulation fan 402 is started, the fresh air fan 401 and the catalyst regeneration fan 403 are closed, the indoor fresh air outlet regulating valve 303, the indoor circulation air inlet regulating valve 304 and the operating state regulating valve 305 are opened, the outdoor fresh air inlet regulating valve 301 and the regeneration gas outlet regulating valve 302 are closed, the anion generator 8 is opened, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are closed.
In the catalyst regeneration mode, the gas flow direction is as shown in fig. 4, the catalyst regeneration fan 403 is started, the indoor circulating fan 402 and the fresh air fan 401 are closed, the regenerated air outlet regulating valve 302 is opened, the outdoor fresh air inlet regulating valve 301, the indoor fresh air outlet regulating valve 303, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
The fresh air supply mode and the catalyst regeneration mode can be started simultaneously, when the fresh air supply mode and the catalyst regeneration mode are started simultaneously, the gas flow direction is as shown in fig. 5, the fresh air fan 401 and the catalyst regeneration fan 403 are started, the indoor circulating fan 402 is closed, the outdoor fresh air inlet adjusting valve 301, the regenerated air outlet adjusting valve 302 and the indoor fresh air outlet adjusting valve 303 are opened, the indoor circulating air inlet adjusting valve 304 and the operation state adjusting valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
Under automatic control, the switching conditions of each mode are as follows: when the concentration of the outdoor PM2.5 is less than that of the indoor PM2.5, a fresh air supplementing mode is started; when the outdoor PM2.5 concentration is greater than the indoor PM2.5 concentration, an indoor circulation mode is started; and starting the catalyst regeneration mode when the starting time of the indoor circulation mode is more than 300 h.
Example 2
A centralized indoor air purification device comprises a shell, an air port, an electric control valve, a fan, an air quality detection probe, a dust purification module, a catalyst and regeneration module, an anion generator, a lead and a controller, wherein the electric control valve, the fan, the air quality detection probe and the anion generator 8 are connected with the controller 10 through the lead 9;
the shell comprises an upper shell 101, a lower shell 102, an upper shell access hole 103, a lower shell access hole 104 and a middle partition 105, the air ports comprise an outdoor fresh air inlet 201, a catalyst regeneration air outlet 202, an indoor fresh air outlet 203 and an indoor circulating air port 204, the electric regulating valves comprise an outdoor fresh air inlet regulating valve 301, a regeneration air outlet regulating valve 302, an indoor fresh air outlet regulating valve 303, an indoor circulating air port regulating valve 304 and an operation state regulating valve 305, the fan comprises a fresh air fan 401, an indoor circulating fan 402 and a catalyst regeneration fan 403, the air quality detecting probe comprises an outdoor air quality detecting probe 501 and an indoor air quality detecting probe 502, the dust purifying module comprises a fresh air purifying coarse filter screen 601, a high-efficiency filter screen 602 and an indoor air purifying filter screen 603, and the catalyst and regeneration module comprises a gaseous pollutant decomposing catalyst 701, an external heating frame 702, Internal heating plates 703, ozone generators 704;
the upper shell access hole 103 is positioned on the upper part of the upper shell 101, the inner part of the upper shell access hole 103 is opposite to the dust purification module, the lower shell access hole 104 is positioned on the lower part of the lower shell 102, the inner part of the lower shell access hole 104 is opposite to the catalyst module, the outdoor fresh air inlet 201 and the indoor fresh air outlet 203 are positioned on two sides of the upper shell 101, the catalyst regeneration air outlet 202 and the indoor circulating air port 204 are positioned on two sides of the lower shell 102, the outdoor fresh air inlet regulating valve 301 is positioned inside the outdoor fresh air inlet 201, the regeneration air outlet regulating valve 302 is positioned inside the catalyst regeneration air outlet 202, the indoor fresh air outlet regulating valve 303 is positioned inside the indoor fresh air outlet 203, the indoor circulating air port regulating valve 304 is positioned inside the indoor circulating air port 204, the operation state regulating valve 305 is positioned on one side of the, the dust purification device is arranged on two sides of a dust purification module respectively, a fresh air fan 401 is close to one side of an indoor fresh air outlet 203, an outdoor air quality detection probe 501 is located on the side of an outdoor fresh air inlet 201, an indoor air quality detection probe 502 is located on the side of the indoor fresh air outlet 203, the dust purification module is located in the middle of an upper shell 101, a fresh air purification coarse filter screen 601 and an indoor air purification filter screen 603 are located on two sides of a high-efficiency filter screen 602, a catalyst and regeneration module is located in the middle of a lower shell 102, a gaseous pollutant decomposition catalyst 701 is filled in an external heating frame 702, an internal heating plate 703 is distributed inside the gaseous pollutant decomposition catalyst 701.
The air quality detection probe is an integrated probe and can simultaneously detect PM2.5, PM10, formaldehyde, toluene, benzene and VOCs pollutants.
The gaseous pollutant decomposition catalyst 701 is prepared by loading Mn metal oxide on multiple activated carbons, the surface of the fresh air purification coarse filter screen 601 is subjected to antibacterial treatment by spraying an antibacterial agent zinc oxide, and the surface of the indoor air purification filter screen 603 is subjected to hydrophobic and oleophobic modification.
A control method of an indoor air centralized purification device comprises manual control and automatic control, wherein the manual control comprises a fresh air supplementing mode, an indoor circulation mode and a catalyst regeneration mode, the automatic control is automatically calculated by a controller 10, and the control is switched among the three modes according to calculation results.
In the fresh air supply mode, the gas flow direction is as shown in fig. 2, the fresh air fan 401 is started, the indoor circulating fan 402 and the catalyst regeneration fan 403 are closed, the outdoor fresh air inlet regulating valve 301 and the indoor fresh air outlet regulating valve 303 are opened, the regenerated air outlet regulating valve 302, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the anion generator 8 is opened.
In the indoor circulation mode, the gas flow direction is as shown in fig. 3, the indoor circulation fan 402 is started, the fresh air fan 401 and the catalyst regeneration fan 403 are closed, the indoor fresh air outlet regulating valve 303, the indoor circulation air inlet regulating valve 304 and the operating state regulating valve 305 are opened, the outdoor fresh air inlet regulating valve 301 and the regeneration gas outlet regulating valve 302 are closed, the anion generator 8 is opened, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are closed.
In the catalyst regeneration mode, the gas flow direction is as shown in fig. 4, the catalyst regeneration fan 403 is started, the indoor circulating fan 402 and the fresh air fan 401 are closed, the regenerated air outlet regulating valve 302 is opened, the outdoor fresh air inlet regulating valve 301, the indoor fresh air outlet regulating valve 303, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
The fresh air supply mode and the catalyst regeneration mode can be started simultaneously, when the fresh air supply mode and the catalyst regeneration mode are started simultaneously, the gas flow direction is as shown in fig. 5, the fresh air fan 401 and the catalyst regeneration fan 403 are started, the indoor circulating fan 402 is closed, the outdoor fresh air inlet adjusting valve 301, the regenerated air outlet adjusting valve 302 and the indoor fresh air outlet adjusting valve 303 are opened, the indoor circulating air inlet adjusting valve 304 and the operation state adjusting valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
Under automatic control, the switching conditions of each mode are as follows: when the concentration of the outdoor PM2.5 is less than that of the indoor PM2.5, a fresh air supplementing mode is started; when the outdoor PM2.5 concentration is greater than the indoor PM2.5 concentration, an indoor circulation mode is started; and starting the catalyst regeneration mode when the starting time of the indoor circulation mode is more than 300 h.
Example 3
A centralized indoor air purification device comprises a shell, an air port, an electric control valve, a fan, an air quality detection probe, a dust purification module, a catalyst and regeneration module, an anion generator, a lead and a controller, wherein the electric control valve, the fan, the air quality detection probe and the anion generator 8 are connected with the controller 10 through the lead 9;
the shell comprises an upper shell 101, a lower shell 102, an upper shell access hole 103, a lower shell access hole 104 and a middle partition 105, the air ports comprise an outdoor fresh air inlet 201, a catalyst regeneration air outlet 202, an indoor fresh air outlet 203 and an indoor circulating air port 204, the electric regulating valves comprise an outdoor fresh air inlet regulating valve 301, a regeneration air outlet regulating valve 302, an indoor fresh air outlet regulating valve 303, an indoor circulating air port regulating valve 304 and an operation state regulating valve 305, the fan comprises a fresh air fan 401, an indoor circulating fan 402 and a catalyst regeneration fan 403, the air quality detecting probe comprises an outdoor air quality detecting probe 501 and an indoor air quality detecting probe 502, the dust purifying module comprises a fresh air purifying coarse filter screen 601, a high-efficiency filter screen 602 and an indoor air purifying filter screen 603, and the catalyst and regeneration module comprises a gaseous pollutant decomposing catalyst 701, an external heating frame 702, Internal heating plates 703, ozone generators 704;
the upper shell access hole 103 is positioned on the upper part of the upper shell 101, the inner part of the upper shell access hole 103 is opposite to the dust purification module, the lower shell access hole 104 is positioned on the lower part of the lower shell 102, the inner part of the lower shell access hole 104 is opposite to the catalyst module, the outdoor fresh air inlet 201 and the indoor fresh air outlet 203 are positioned on two sides of the upper shell 101, the catalyst regeneration air outlet 202 and the indoor circulating air port 204 are positioned on two sides of the lower shell 102, the outdoor fresh air inlet regulating valve 301 is positioned inside the outdoor fresh air inlet 201, the regeneration air outlet regulating valve 302 is positioned inside the catalyst regeneration air outlet 202, the indoor fresh air outlet regulating valve 303 is positioned inside the indoor fresh air outlet 203, the indoor circulating air port regulating valve 304 is positioned inside the indoor circulating air port 204, the operation state regulating valve 305 is positioned on one side of the, the dust purification device is arranged on two sides of a dust purification module respectively, a fresh air fan 401 is close to one side of an indoor fresh air outlet 203, an outdoor air quality detection probe 501 is located on the side of an outdoor fresh air inlet 201, an indoor air quality detection probe 502 is located on the side of the indoor fresh air outlet 203, the dust purification module is located in the middle of an upper shell 101, a fresh air purification coarse filter screen 601 and an indoor air purification filter screen 603 are located on two sides of a high-efficiency filter screen 602, a catalyst and regeneration module is located in the middle of a lower shell 102, a gaseous pollutant decomposition catalyst 701 is filled in an external heating frame 702, an internal heating plate 703 is distributed inside the gaseous pollutant decomposition catalyst 701.
The air quality detection probe is an integrated probe and can simultaneously detect PM2.5, PM10, formaldehyde, toluene, benzene and VOCs pollutants.
The gaseous pollutant decomposition catalyst 701 is prepared by a molecular sieve loaded Pd and Rh catalyst, the surface of the fresh air purification coarse filter screen 601 is subjected to antibacterial treatment by spraying an antibacterial agent isothiazolone derivative, and the surface of the indoor air purification filter screen 603 is subjected to hydrophobic and oleophobic modification.
A control method of an indoor air centralized purification device comprises manual control and automatic control, wherein the manual control comprises a fresh air supplementing mode, an indoor circulation mode and a catalyst regeneration mode, the automatic control is automatically calculated by a controller 10, and the control is switched among the three modes according to calculation results.
In the fresh air supply mode, the gas flow direction is as shown in fig. 2, the fresh air fan 401 is started, the indoor circulating fan 402 and the catalyst regeneration fan 403 are closed, the outdoor fresh air inlet regulating valve 301 and the indoor fresh air outlet regulating valve 303 are opened, the regenerated air outlet regulating valve 302, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the anion generator 8 is opened.
In the indoor circulation mode, the gas flow direction is as shown in fig. 3, the indoor circulation fan 402 is started, the fresh air fan 401 and the catalyst regeneration fan 403 are closed, the indoor fresh air outlet regulating valve 303, the indoor circulation air inlet regulating valve 304 and the operating state regulating valve 305 are opened, the outdoor fresh air inlet regulating valve 301 and the regeneration gas outlet regulating valve 302 are closed, the anion generator 8 is opened, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are closed.
In the catalyst regeneration mode, the gas flow direction is as shown in fig. 4, the catalyst regeneration fan 403 is started, the indoor circulating fan 402 and the fresh air fan 401 are closed, the regenerated air outlet regulating valve 302 is opened, the outdoor fresh air inlet regulating valve 301, the indoor fresh air outlet regulating valve 303, the indoor circulating air outlet regulating valve 304 and the operation state regulating valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
The fresh air supply mode and the catalyst regeneration mode can be started simultaneously, when the fresh air supply mode and the catalyst regeneration mode are started simultaneously, the gas flow direction is as shown in fig. 5, the fresh air fan 401 and the catalyst regeneration fan 403 are started, the indoor circulating fan 402 is closed, the outdoor fresh air inlet adjusting valve 301, the regenerated air outlet adjusting valve 302 and the indoor fresh air outlet adjusting valve 303 are opened, the indoor circulating air inlet adjusting valve 304 and the operation state adjusting valve 305 are closed, and the external heating frame 702, the internal heating plate 703 and the ozone generator 704 are opened.
Under automatic control, the switching conditions of each mode are as follows: when the concentration of the outdoor PM2.5 is less than that of the indoor PM2.5, a fresh air supplementing mode is started; when the outdoor PM2.5 concentration is greater than the indoor PM2.5 concentration, an indoor circulation mode is started; and starting the catalyst regeneration mode when the starting time of the indoor circulation mode is more than 300 h.
Claims (9)
1. The indoor air centralized purification device is characterized by comprising a shell, an air port, an electric regulating valve, a fan, an air quality detection probe, a dust purification module, a catalyst and regeneration module, an anion generator (8), a lead (9) and a controller (10), wherein the electric regulating valve, the fan, the air quality detection probe and the anion generator (8) are respectively connected with the controller (10) through the lead (9);
the shell comprises an upper shell (101), a lower shell (102), an upper shell access hole (103), a lower shell access hole (104) and a middle partition (105); the air ports comprise an outdoor fresh air inlet (201), a catalyst regeneration air outlet (202), an indoor fresh air outlet (203) and an indoor circulating air port (204); the electric regulating valves comprise an outdoor fresh air inlet regulating valve (301), a regenerated air outlet regulating valve (302), an indoor fresh air outlet regulating valve (303), an indoor circulating air port regulating valve (304) and an operating state regulating valve (305); the fan comprises a fresh air fan (401), an indoor circulating fan (402) and a catalyst regeneration fan (403); the air quality detection probe comprises an outdoor air quality detection probe (501) and an indoor air quality detection probe (502); the dust purification module comprises a fresh air purification coarse filter screen (601), a high-efficiency filter screen (602) and an indoor air purification filter screen (603); the catalyst and regeneration module comprises a gaseous pollutant decomposition catalyst (701), an external heating frame (702), an internal heating plate (703) and an ozone generator (704);
the upper shell access hole (103) is positioned at the upper part of the upper shell (101), the interior of the upper shell access hole (103) is opposite to the dust purification module, the lower shell access hole (104) is positioned at the lower part of the lower shell (102), and the interior of the lower shell access hole (104) is opposite to the catalyst module; the outdoor fresh air inlet (201) and the indoor fresh air outlet (203) are positioned on two sides of the upper shell (101), the catalyst regeneration gas outlet (202) and the indoor circulating air port (204) are positioned on two sides of the lower shell (102), the outdoor fresh air inlet regulating valve (301) is positioned inside the outdoor fresh air inlet (201), the regeneration gas outlet regulating valve (302) is positioned in the catalyst regeneration gas outlet (202), the indoor fresh air outlet regulating valve (303) is positioned in the indoor fresh air outlet (203), the indoor circulating air port regulating valve (304) is positioned in the indoor circulating air port (204), and the operation state regulating valve (305) is positioned on one side, close to the fresh air inlet (201), of the middle partition (105); the fresh air fan (401) and the indoor circulating fan (402) are positioned in the upper shell (101) and are respectively arranged at two sides of the dust purification module, and the fresh air fan (401) is close to one side of the indoor fresh air outlet (203); the outdoor air quality detection probe (501) is positioned on the outdoor fresh air inlet (201) side, and the indoor air quality detection probe (502) is positioned on the indoor fresh air outlet (203) side; the dust purification module is located in the middle of the upper shell (101), the fresh air purification coarse filter screen (601) and the indoor air purification filter screen (603) are located on two sides of the efficient filter screen (602), the catalyst and regeneration module is located in the middle of the lower shell (102), the gaseous pollutant decomposition catalyst (701) is filled in the external heating frame (702), the internal heating plate (703) is distributed inside the gaseous pollutant decomposition catalyst (701), and the ozone generator (704) is close to one side of the indoor circulating air port (204).
2. The centralized indoor air purification device of claim 1, wherein the air quality detection probe is an integrated probe capable of simultaneously detecting PM2.5, PM10, formaldehyde, toluene, benzene, VOCs pollutants.
3. The centralized purification device of indoor air as claimed in claim 1, wherein the fresh air purification coarse filter screen (601) is coated with an antibacterial agent for antibacterial treatment, and the indoor air purification filter screen (603) is modified by hydrophobic and oleophobic.
4. The centralized indoor air purification apparatus according to claim 1, wherein the apparatus control includes a manual control system and an automatic control system, the manual control system is switched among a fresh air supply mode, an indoor circulation mode and a catalyst regeneration mode, the automatic control is automatically calculated by the controller (10), and the automatic control is switched among the three modes according to the calculation result.
5. The indoor air centralized purification device according to claim 4, wherein in the fresh air supply mode, the fresh air fan (401) is started, the indoor circulating fan (402) and the catalyst regeneration fan (403) are closed, the outdoor fresh air inlet regulating valve (301) and the indoor fresh air outlet regulating valve (303) are opened, the regenerated air outlet regulating valve (302), the indoor circulating air outlet regulating valve (304) and the operation state regulating valve (305) are closed, and the anion generator (8) is opened.
6. The centralized purification device of indoor air as claimed in claim 4, wherein in the indoor circulation mode, the indoor circulation fan (402) is started, the fresh air fan (401) and the catalyst regeneration fan (403) are closed, the indoor fresh air outlet regulating valve (303), the indoor circulation air inlet regulating valve (304) and the operation state regulating valve (305) are opened, the outdoor fresh air inlet regulating valve (301) and the regeneration air outlet regulating valve (302) are closed, the anion generator (8) is opened, and the external heating frame (702), the internal heating plate (703) and the ozone generator (704) are closed.
7. The centralized purification device of indoor air according to claim 4, wherein in the catalyst regeneration mode, the catalyst regeneration fan (403) is started, the indoor circulating fan (402) and the fresh air fan (401) are closed, the regenerated air outlet regulating valve (302) is opened, the outdoor fresh air inlet regulating valve (301), the indoor fresh air outlet regulating valve (303), the indoor circulating air outlet regulating valve (304) and the operation state regulating valve (305) are closed, and the external heating frame (702), the internal heating plate (703) and the ozone generator (704) are opened.
8. The indoor air centralized purification device according to claim 4, wherein the fresh air supplement mode and the catalyst regeneration mode can be started simultaneously, when the fresh air fan (401) and the catalyst regeneration fan (403) are started simultaneously, the indoor circulation fan (402) is turned off, the outdoor fresh air inlet adjusting valve (301), the regenerated air outlet adjusting valve (302) and the indoor fresh air outlet adjusting valve (303) are opened, the indoor circulation air outlet adjusting valve (304) and the operation state adjusting valve (305) are closed, and the external heating frame (702), the internal heating plate (703) and the ozone generator (704) are opened.
9. The centralized indoor air purification device according to claim 4, wherein under the automatic control, the switching conditions of the modes are as follows: when the concentration of the outdoor PM2.5 is less than that of the indoor PM2.5, a fresh air supplementing mode is started; when the outdoor PM2.5 concentration is greater than the indoor PM2.5 concentration, an indoor circulation mode is started; and starting the catalyst regeneration mode when the starting time of the indoor circulation mode is more than 300 h.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109999660A (en) * | 2019-05-20 | 2019-07-12 | 江苏久朗高科技股份有限公司 | A kind of room air concentrates purification device and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999660A (en) * | 2019-05-20 | 2019-07-12 | 江苏久朗高科技股份有限公司 | A kind of room air concentrates purification device and control method |
| CN109999660B (en) * | 2019-05-20 | 2024-02-13 | 江苏久朗高科技股份有限公司 | Indoor air centralized purification device and control method |
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